[CP 2] M2 - Arrays

0

0

If an array can store 100 values, what would be the first index?

1 5

What is the output of the following code?

\#include <iostream\>

using namespace std;

int main()

{

int a[] \= {1,2,3,4};

int b[] \= {5,6,7,8};

cout << a[0] << " " << b[0];

return 0;

}

int arr[3] = {1,2,3};

How do you initialize an array in C+?

double salary = balance[6];

Which of the following statements is correct?

1 3 5

What is the output of the program?

\#include <iostream\>

using namespace std;

int main()

{

int myArray[] \= {1,2,3,4,5};

for (int i \= 0; i<5; i++)

{

cout << myArray[i] << " ";

i++;

}

}

GRADE = A 65

What is the output of the following code?

\#include <iostream\>

using namespace std;

int main()

{

char grade[] \= {'A','B','C'};

int n \= grade[0];

cout << "GRADE \= " << grade[0] << " " << n ;

return 0;

}

49

What is the index number of the last element of an array with 50 elements?

linear array

A one dimensional array is also known as ___________________.

double price[5];

Which of the following correctly declares an array?

box[1];

Which of the following correctly gives the memory address of the first element in the array named box, an array with 100 elements?

box[one];

box[1];

box;

&box;

two dimensional array

It is an array that consists of more than one row and more than one column.

int a[6][2];

An array composed of 6 rows and 2 columns, what would be the array declaration?

0 0 1 2 2 4

\#include <iostream\>

using namespace std;

int main () {

int a[3][2] \= { {0,0}, {1,2}, {2,4} };

for ( int i \= 0; i < 3; i++ )

for ( int j \= 0; j < 2; j++ ) {

cout << a[i][j]<< " ";

}

return 0;

}

int x[50][2];

In order to have an array with 50 rows and 2 columns, the correct declaration should be:

99

What is the output of the given program?

\#include <iostream\>

using namespace std;

int main () {

int items[3][5] \= { {-1, 1, 3, 4, 45},

{4, 3, 99, 0, 7},

{3, 2, 66, 94,8}} ;

cout << items[1][2];

return 0;

}

3

In the array int x[3][4], how many rows were created?

6

In the array is int x[10][6], how many columns were created?

int my Array[20[20];

Which of the following is a two-dimensional array?

4

\#include <iostream\>

using namespace std;

int main () {

int a[5][2] \= { {0,0}, {1,2}, {2,4}, {3,6}, {4,8}};

int sum \= a[2][0]+a[1][1];

cout << sum << endl;

return 0;

}

int array[10];

Which of the following correctly declares an array?

3

In a given array int x[3][4] = {{0,1,2,3}, {4,5,6,7}, {8,9,10,11}}; how many rows are there?

x[0][3]

In a given array int x[3][4] = {{0,1,2,3}, {4,5,6,7}, {8,9,10,11}}; what is index contains 3?

Container of objects of similar types

Which of the following best describes an array?

An array is a series of elements of the same type in contiguous memory locations

What is the correct definition of an array?

box[6];

Which of the following correctly accesses the seventh element stored in an array named box with 100 elements?

27

What will be the output of the following C++ code?

\#include<iostream\>

using namespace std;

int main ()

{

int array[] \= {0, 2, 4, 6, 7, 5, 3};

int n, result \= 0;

for (n \= 0; n < 8; n++)

{

result +\= array[n];

}

cout << result;

return 0;

}

0

In a single dimension array, the starting index is always _____________.

myArray[3] = 3;

If an array myArray = {15, 45, 67, 34}, what statement should you choose to change the last value to 3?

array[9];

Which of the following accesses the tenth element stored in an array?

99

What is the index number of the last element of an array with 100 elements?

int arr2[15];

What is the correct array declaration?

all of the given

In C++, an Array is:

"an array contains more than one element a group of elements of the same type array elements are stored in memory in continuous or contiguous locations"

2 4 6 8

What is the output of the given program?

\#include <iostream\>

using namespace std;

int main()

{

int a[2][2] \= {{2,4},{6,8}};

int i, j;

for (i \= 0; i < 2; i++)

for (j \= 0; j < 2; j++)

cout << a[i][j] << " ";

return 0;

}

1

In an array, int a[3][2], what is the last index value of the column?

int a[3][5];

If you will be making a table of values, composed of 3 rows and 5 columns, what would be the array declaration?

columns

If the array has a syntax of data_type array_name[x][y]; What does y represent?

11

In the array is int arr[11][5], how many rows were created?

array

It refers to a table of rows and columns

int a[3][3];

If you will be making a table of values, composed of 3 rows and 3 columns, what would be the array declaration?

4

In the array is int x[3][4], how many columns were created?

19

What is the index number of the last element of an array with 20 elements?

float prices[3];

Which of the following correctly declares an array?

28

What is the index number of the last element of an array with 29 elements?

1 2 3 4 5 6

What is the output of the program?

\#include <iostream\>

using namespace std;

int main()

{

int myArray[] \= {1,2,3,4,5,6};

for (int i \= 0; i<6; i++)

{

cout << myArray[i] << " ";

}

}

90.5 92.5 96.5

What is the output of the following code?

\#include <iostream\>

using namespace std;

int main()

{

double marks[3] \= {90.5, 92.5, 96.5};

int a\=0;

while(a<3)

{

cout << marks[a] << " ";

a++;

}

return 0;

}

array

It is used to store multiple values in a single variable, instead of declaring separate variables for each value

Array

A series of elements of the same type placed in contiguous memory locations that can be individually referenced by adding an index to a unique identifier.

int x[5][10];

In order to have an array with 5 rows and 10 columns, the correct declaration should be:

14

What is the index number of the last element of an array with 15 elements?

array [2][1]

Check the array below:

int array[3][5]

{

{ 1, 2, 3, 4, 5 },

{ 6, 7, 8, 9, 10 },

{ 11, 12, 13, 14, 15 }

};

What's the index of the array where it contains the value 12?

100

In the array is int x[100][50], how many rows were created?

int a[6][4];

An array composed of 6 rows and 4 columns, what would be the array declaration?

int x[2][9];

In order to have an array with 2 rows and 9 columns, the correct declaration should be:

4

In a given array int x[3][4] = {{0,1,2,3}, {4,5,6,7}, {8,9,10,11}}; how many columns are there?

1234

What is the output of the program?

\#include <iostream\>

using namespace std;

int main()

{

int a[2][2] \= {{1,2},{3,4}};

int i, j;

for (i \= 0; i < 2; i++)

for (j \= 0; j < 2; j++)

cout << a[i][j];

return 0;

}

x[1][3]

In a given array int x[3][4] = {{0,1,2,3},

{4,5,6,7},

{8,9,10,11}};

What is index of 7?